Multiple choice

Recent studies suggests that by age 35, nearly 100% of people suffering from Down syndrome develops

  1. Alzheimer syndrome

  2. Increased fertility

  3. Fragile-X syndrome

  4. Rett's syndrome
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A Correct answer
Explanation

This progressive disease characterized by degeneration of brain cells resulting in severe memory loss usually occurs in old age for normal people if it occurs at all. It is far more common among Down syndrome sufferers and it occurs at an earlier age.

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